/*
 * This file is part of the KubeVirt project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright The KubeVirt Authors.
 *
 */

package vmispec

import v1 "kubevirt.io/api/core/v1"

// RequiresVirtioNetDevice checks whether a VMI requires the presence of the "virtio" net device.
// This happens when the VMI wants to use a "virtio" network interface, and software emulation is disallowed.
func RequiresVirtioNetDevice(vmi *v1.VirtualMachineInstance, allowEmulation bool) bool {
	return hasVirtioIface(vmi) && !allowEmulation
}

func RequiresTunDevice(vmi *v1.VirtualMachineInstance) bool {
	return (len(vmi.Spec.Domain.Devices.Interfaces) > 0) ||
		(vmi.Spec.Domain.Devices.AutoattachPodInterface == nil) ||
		(*vmi.Spec.Domain.Devices.AutoattachPodInterface)
}
